Machine for rolling horseshoe-blanks.



m. 680,754. Patented Mg. 20, mm.

@. mm, m

MAGHHNE FUR BULMME HURSESMUE WLMHKS.

(Application filed Dec. 8, 1900.) (No Model.) 2 smm-smm l.

N0."680,754. Patented Aug. 20, IQUI. G. BIRD, In.

MACHINE FOR BULLING HOBSESHUIE BLMIIKS.

(Application filed Dec. 8, 1900.) (I00 Model.)

2 Sheeir-Shwt 2.

Miran Frames ATFNT twice.

GEORGE BIRD, JR., OF EAST CHICAGO, INDIANA.

MACHlNE FOR ROLLING HORSESHOE- BLANKS.

SPECIFICATION formingpart of Letters Patent No. 680,754, dated August 20, 1901. Application filed December 8, 1900. $erial No. 39,219. (No model.)

To all whom it may concern.-

Be it known that I, GEORGE BIRD, Jr., a citizen of the United States, residing at East Chicago, Indiana, have invented certain new and useful Improvements in Machines for Rolling Horseshoe-Blanks, of which the fol lowing is a specification.

The object of my invention is to provide a simple, economical, and efficient rolling-mill for manufacturing'horseshoe-blanks; and the invention consists in the features, combinations, and details of construction hereinafter described and claimed.

In the accompanying drawings, Figure 1 is a vertical sectional elevation of a rolling-mill constructed in accordance with myimprovements; Fig. 2, a side elevation of one of the creasing-rolls constructed in accordance with my improvements with a portion broken away; Fig. 3, afull-sized sectional detail view of the creasing-roll shown in connection with a blank and taken on line 3 of Fig. 2; Fig. 4, a full-sized developed plan view of a portion of the creasing-roll, and Fig. 5 a plan view of a horseshoe-blank.

In the art to which this invention relates it is well known that horseshoe-blanks are produced in large quantities by means of rolling the same and that ordinarily the blanks are passed through about fourteen passes in reducing the bar to the blank necessary for forming. In the mills as now constructed and commonly used the rolls are formed of an arbor provided with a'cast-iron ring driven tightly thereon, which ring contains the pass through which the blanks are run. This ring is driven tightly on the arbor and against a shoulder. In this class of mechanisms it is necessary that the pass should run true. Consequently every time the ring is driven on the pass must be trued out. In order to turn out the one hundred and twenty-five horseshoes which form the ordinary stock of commerce, it is necessary to keep on hand about four hundred and'forty rolls, which entails considerable expense to keep in repair and a large initial outlay in order to construct.

Theprincipal object of my invention,therefore, is to provide a simple, economical, and efficient roll, of such construction and arrangement that it will remove the abovenoted objections and permit a smaller nunr ber of rolls to turn out the ordinary number of sizes of blanks needed for commerce.

Further objects of my invention will appear from an examination of the drawings and the following description and claims.

In constructing a mill in accordance with my improvements I provide a frame portion A A, of a desired size and shape to contain and hold the operating mechanisms. This frame portion is provided, preferably, with a set of three rolls B, B, and B arranged in vertical relation one above the other and so meshing with each other as to form the desired passes, through which the blanks are run, as hereinafter described. These rolls are journaled in bearing portions 1), b, and 19 which are slidingly mounted in the standards in the frame portion and adjusted by means of set-screws G, as occasion requires-all in the usual manner.

In the ordinary rolls of commerce every time a roll is used it is necessary to true up the same. In order to provide a female roll which will not have to be trued up every time it is necessary to use the same, I provide each of the rolls B and B with an enlargement or annular projecting shoulder b formed integral therewith, and which is so turned that it forms aportion of the pass I) and b respectively. This enlargement or shoulder portion forms what might be termed the roll proper, and in order to complete the pass I provide a ring portion B preferably formed of hardened steel, which is passed over the rollarbor, so that its face, which is squared, contacts the face of the shoulder and completes the pass. The rings 13 used upon the female rolls, as shown on roll B in Fig. 1, form one of the side walls of the pass. These rings also form a portion B of the bottom of the pass. This pass-bottom portion of the rings is wide on some and narrow on others. The pass-bottom portion integral with the roll is also wide on some rolls and narrow onothers. The pass bottom portion integral with a given roll may be used with any one of several rings, each ring having a different width of pass-bottom, thus making as many different widths of pass upon the same roll without the necessity of turning it out. These same rings may be used with another roll hav-= ing a pass-bottom portion of a different width,

and when so used will produce as many more pletes the female roll in operative engagementwith the roll,I provide the roll with a threaded portion 19 and place a ring-nut b in engagement therewith. Between this ring-nut and the steel ring is placed one or more cylindrical washers B, so that the difierence in size or shape of the steel ring may be compensated for and the parts held securely together. By this construction and arrangement it will be seen that one roll may be used to form a variety of sizes of blanks, for the reason that only a portion of the pass is formed by the in= tegral portion of the roll, while the steel ring shown in the upper roll of Fig. 1 may be replaced by a new one or turned out, so as to complete the pass for another size of blank. In other words, a number of removable steel roll-rings may be used in connection with one roll and form a variety of sizes of blanks, and as the face of the roll and ring at b are kept true or square there is no necessity for truing the roll every time it is used, taken out of, or placed in the machine. Inspecting the lower roll in Fig. 1 it -will be seen that the bottom portion of the pass is arranged at an incline, so that when it is necessary to turn the pass out for the same or another size the bottom as Well as the side portion of the pass can be trued up, and consequently the roll can be used over and over again.

To form the male roll for the mill and also to crease the horseshoe-blanks, I provide the arbor portion b with a shoulder 19 (see roll 13 in Fig. 1) and provide a sleeve portion b which fits against the shoulder 17 and has an outer projecting annular rib b aranged so as to engage with the pass 19 in the upper roll. The creasing ring or roll B is made in two parts, riveted together, as shown in Figs. 2 and 3, one part having a series of projections b and 19 The proj eetions 12 as shown in Fig. 4, have sharp-pointed edges, so that they enter the metal readily, and their radial projections 11 press into the same, so as to form the nail-holes. The projections b are merely for the purpose of marking the length of the blank D, as shown at d in Fig. 5. As shown in Fig. 2, the creasing-roll is of sucha size as to form two blanks at every revolution. Consequently the roll has four creasing projections and two marking projections. This creasing-roll, as shown in Figs. 1 and 2, is made in two parts and riv* eted together, so that the creasing portion can be made of a high-grade steel and hardenied. The particular advantage obtained is that the creasing portion which does the most work can be easily replaced, while the other and old portion'can be retained, thus reducing the cost of maintenance.

In operation the bar has been run through twelve passes, and is then run through the pass I) in order to perform the creasing op-' eration. It is next run through the pass b between the rolls Band B which completes the forming of the blank.

The principal advantages incident to a roll= ing-mill constructed in accordance with my improvements are, first, the rolls are economical to build; second, they produce rolls absolutely uniform and true; third, I have found in practice that the rolls as ordinarily constructed would only make about thirty tons of blanks before they were used up, while from experimental tests I have found that rolls constructed in accordance with my improvements have made over three hundred tons of blanks without being trued up or retrued, and, fourth, the rolls are economical in operation, in that but twenty-four rolls are needed to turn out the sizes and save an enormous initial expense and considerably reduce the cost of truing and re-turning, which is an important feature in the manufacture and sale of horseshoe-blanks.

I claim- 1. In a machine for rolling horseshoeblanks, the combination of a roll provided with an annular portion forming a part of the bottom of a groove and having an annular shoulder forming one side of the groove, a ring removably mounted on the roll provided with an annular portion forming the remaining part of the bottom of the groove, and having an annular shoulder formingthe remaining side of the groove, substantially as described.

2. In a machine for rolling horseshoe blanks, the combination of a roll provided with an annular portion forming a part of the bottom of a groove and having an annular shoulder forming one side of the groove, a ring removably mounted on the roll and provided with an annular portion forming the remaining part of the bottom of the groove and having an integral annular shoulder forming the remaining side of the groove, and a roll adjacent to the groove bearing roll having an annular flange rotatable therewith which extends between the' shoulders, substantially as described.

3. In a machine for rolling horseshoeblanks, the combination of a roll provided with an integral annular portion forming a part of the bottom of a groove and having an integral annular shoulder forming one side of the groove, a ring removably mounted on the roll and provided with an annular portion forming the remaining part of the bottom of the groove, an annular shoulder on the ring forming the remaining side of the groove, and a nut in threaded engagement with the roll for holding the removable ring in place, substantially as described.

4. In a machine for rolling horseshoeblanks, the combination of an arbor provided with a threaded portion and with an annular portion forming a part of the bottom of a groove and having an annular shoulder forming one side of the groove, a ring removably mounted on the arbor provided with an annular portion forming the remaining part of the bottom of the groove and having an integral annular shoulder forming the remaining side of the groove, a ring-nut engaging with the threaded portion of the arbor, and hollow washers interposed between the removable ring and the ring-nut and forming in combination with the ring-nut the means for holding the removable ring in operative position, substantially as described.

5. In a machine of the class described, the combination of a roll provided with an annular portion forming a part of the bottom of a groove-and having an annular shoulder form ing one side of the groove, a ring removably mounted on the roll provided with an annular portion forming the remaining part of the bottom of the groove and having an integral annular shoulder forming the remaining side of the groove, a roll mounted adjacent to the groove-bearing roll having an annular flange rotatable therewith extending between such annular shoulders and provided with a creasin g ring formed in two pieces riveted together, and a roll mounted adjacent to such flanged roll provided with a removable and an integral annular shoulder forming the sides of a groove which meshes with the creasing-ring, substantially as described.

6. In a machine for rolling hOISGSIlOGf blanks, the combination of a roll provided with an annular portion forming a part of the bottom of a groove and having an annular shoulder forming one side of the groove, a plurality of rings adapted to be alternately mounted upon the roll, each provided with an annular portion of a different Width for form ing the remaining part of the bottom of the groove and having an annular shoulder for forming the remaining side of the groove, whereby each ring may when desired be used in combination with the groove-bottom and shoulder portion of the roll to form a groove 5 3 of a different size, substantially as described.

GEORGE BIRD, JR. Witnesses:

A. W. TYLER, E. H. HAGER. 

